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Lebrun manifold : ウィキペディア英語版 | Lebrun manifold In mathematics, a Lebrun manifold is a connected sum of copies of the complex projective plane, equipped with an explicit self-dual metric. Here, self-dual means that the Weyl tensor is its own Hodge star. The metric is determined by the choice of a finite collection of points in hyperbolic 3-space. These metrics were discovered by , and named after LeBrun by . ==References==
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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Lebrun manifold」の詳細全文を読む
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